- Choi Wan Company Limited
- Cubic Zirconia, CZ, Hydrothermal Quartz, Quartz, gemstones.
- Address:Sheung Hei St.
- Kam Shing Gems Co.
- Hydrothermal Quartz, Synthetic Stone, Cubic Zirconia, Gemstones, Natural Gemstones, Coating Service, Created gemstones, Mystic Quartz, Glass stone, Rough, Amethyst, Citrine,Rough,Hydrothermal Quartz,Mystic Quartz.
- Address:RM618, Hollywood Plaza, 610 Nathab Road, Mongkok
1